subarmn.辅助臂subn.潜艇；替代品vi.替代vt.转包合同Sub - culture group亚文化群sub - innei product次内积sub - normal matrix次正规复矩阵subsurface microscopy亚表面显微Subfam. Silenoideaen.石竹亚科subsurface applicator亚表土施肥机subendocardiac muscle心内膜下心肌subiculum promontorii[医] 岬下脚subendocardial injury心内膜下损伤subaortic caudal vein主动脉下尾静脉